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Three-Point Spectral Density in QED and the Ward Identity at Finite Temperature
Hou Defu, U. Heinz
We derive the spectral representations of QED 3-point functions and then explicitly calculate the 3-point spectral densities in hard thermal loop approximation within the real time…
Equilibrium and Non-Equilibrium Hard Thermal Loop Resummation in the Real Time Formalism
Magaret E. Carrington, Hou Defu, Markus H. Thoma
We investigate the use of the hard thermal loop (HTL) resummation technique in non-equilibrium field theory. We use the Keldysh representation of the real time formalism (RTF). We…
Effects of gluon damping rate on the viscosity coefficient of the quark-gluon plasma at finite chemical potential
Hou Defu, Li Jiarong
By considering the Debye screening and damping rate of gluons, the viscosity coefficient of the quark-gluon plasma was evaluated via real-time finite temperature QCD in the relaxat…
Three-Point Spectral Functions in Theory at Finite Temperature
Hou Defu, U. Heinz
We derive a set of relations among the thermal components of the 3-point function and its spectral representations at finite temperature in the real-time formalism. We then use the…